Referrer: £20 cash

Friend: £20 cash

Existing Account Required?: Yes

Maximum Referrals: Not specified.

Look After My Bills is a “Dragon’s Den”-winning idea: put simply, they’ll automatically help you find the best gas and electricity tariffs out there and automatically switch you to them. All you need to do is sign up once and once your current deal has expired they’ll automatically switch you onto the next best one! Once you’ve signed up (which takes 2 minutes tops) you’ll also unlock your refer a friend link, which is good for £20 for you both whenever you get a new friend signed up.